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Growth habit
A small spreading
upright growing stem succulent. They reproduce naturally by means of
seed.
Decorative value
These
plants are grown more as a matter of interest than for their beauty
Drought resistance
These
plants can survive long periods without water.
Disease and pest resistance
They are
prone to many diseases, in particular rotting and attack by mealy bugs.
Suitability as Green Roof plants
These
plants are valuable in plantings that are going to get the very minimum
of
water as well in combinations with other plants that do not have a
vigorous or
spreading nature
Biodiversity value in the Green
Roof landscape
A number of
butterflies use these plants as their larval host plants such as the
African Monarch Danaus chrysippus
aegyptius . There flowers
attract
large numbers of flies.
Cautions and precautions in the Green Roof
application
Care
must be taken to ensure good drainage is provided and that the plants
are at no time overwatered
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